dba_exists

(PHP 4, PHP 5)

dba_exists — Check whether key exists

Descrizione

bool dba_exists ( string $key , resource $handle )

dba_exists() checks whether the specified key exists in the database.

Elenco dei parametri

key: The key the check is performed for.
handle: The database handler, returned by dba_open() or dba_popen().

Valori restituiti

Returns TRUE if the key exists, FALSE otherwise.

Vedere anche:

dba_delete() - Delete DBA entry specified by key
dba_fetch() - Fetch data specified by key
dba_insert() - Insert entry
dba_replace() - Replace or insert entry